<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="initial-scale=1, maximum-scale=3, minimum-scale=1, user-scalable=no">
    <title>Title</title>
    <script src="https://unpkg.com/vue/dist/vue.min.js"></script>
    <link rel="stylesheet" href="demo1.css">
</head>
<body>
    <div id="app" v-cloak>
        <question v-model="page"></question>
    </div>
    <script src="question.js"></script>
    <script src="demo1.js"></script>
</body>
</html>